Cardiac output and right ventricular ejection fraction system

Details Cardiac output and right ventricular ejection fraction system Cardiac output and right ventricular ejection fraction system

1991-10-29

1995-01-24

Sykes, Angela D.

Surgery

Truss

Pad

128692, 128736, A61B 5029

Patent

active

053834682

ABSTRACT:
A cardiac output and right ventricular ejection fraction computer comprises a catheter, having an indicator injection port which is located at the right ventricular, inserted into an intravascular of a patient and retained therein; thermal detector device, mounted on a distal portion of the catheter, for detecting the temperature of blood ejected from the right ventricle; signal processor device for calculating the right ventricular ejection fraction from a thermodilution curve obtained by detecting variation of the blood temperature measured by the thermal detector device when a indicator is injected into the right ventricular through the catheter; data input device for inputting data to the signal processor device.

REFERENCES:
patent: 4718423 (1988-01-01), Willis et al.
patent: 4817624 (1989-04-01), Newbower
patent: 4856530 (1989-08-01), Vandervelden
patent: 4858618 (1989-08-01), Konno et al.
patent: 4911174 (1990-03-01), Pederson et al.

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